Home / 8,840.34-13,262.40-3,000.78

Finding the Fourth Proportional to 8,840.34, 13,262.40 and 3,000.78

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Solution

The fourth proportional to 8,840.34, 13,262.40 and 3,000.78 is: 4,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.34 : 13,262.40 = 3,000.78 : x
  2. Step 2: Convert to fraction form
    8,840.34/13,262.40 = 3,000.78/x
  3. Step 3: Cross multiply
    8,840.34x = 13,262.40 × 3,000.78
  4. Step 4: Simplify right side
    8,840.34x = 39,797,544.67
  5. Step 5: Solve for x
    x = 39,797,544.67/8,840.34
  6. Step 6: Final answer
    x = 4,501.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.